Looking down into the tank with the fuel pump removed, you can see the well into which the fuel pump is installed, as well as the float-and-arm assembly that rises and falls with the fuel level inside the tank.
{"Image ImageDescription": "", "Image Make": "SONY", "Image Model": "DSC-V1", "Image Orientation": "Horizontal (normal)", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image DateTime": "2011:05:03 13:19:37", "Image ExifOffset": "202", "EXIF ExposureTime": "1/40", "EXIF FNumber": "7/2", "EXIF ExposureProgram": "Program Normal", "EXIF ISOSpeedRatings": "100", "EXIF ExifVersion": "0220", "EXIF DateTimeOriginal": "2011:05:03 13:19:37", "EXIF DateTimeDigitized": "2011:05:03 13:19:37", "EXIF CompressedBitsPerPixel": "4", "EXIF ExposureBiasValue": "17/10", "EXIF MaxApertureValue": "3", "EXIF MeteringMode": "Pattern", "EXIF LightSource": "Unknown", "EXIF Flash": "Flash fired, auto mode, return light detected", "EXIF FocalLength": "7", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "2592", "EXIF ExifImageLength": "1944", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Manual Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard"}